Answer: disconnect

AnswerCrossword Clue
DISCONNECTSeparate.
disconnectBreak the connection of or between
disconnectInterrupt or terminate (a telephone conversation) by breaking the connection
disconnectTake (an electrical device) out of action by detaching it from a power supply
disconnectTerminate the connection of (a household) to water, electricity, gas, or telephone, typically because of nonpayment of bills
disconnectto sever the connection of or between